0

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1

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3

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7 24

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9 3

15 65

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2

Answer the following questions:

1. Mention the name of the rule

which controls the addition of an

asymmetric reagent to an

asymmetric alkene.

1.

2. Explain why cyclo-propane is a

very active chemical.

3. E Explain the reason for the absence

of free protons (H+) in acidic

aqueous solutions.

3.

(H+)

3

4. E Explain by symbolic chemical

equations the effect of passing

carbon dioxide gas in clear lime

water solution for a short time and

then the effect of passing the gas

through the solution for a long

time.

ظخ ثؼبدخ وييبئيخ .4

سضيخ أثش إشاس غبص ثب

أوغيذ اىشث ف ذي

أثش بء اجيش اشائك، ب

إشاس اغبص في ذح ؼيخ.

5. E Calculate the electromotive force

(emf) for the galvanic cell which

consists of:

ادغت امح اذافؼخ اىشثيخ .5

(emf) خيخ اجفبيخ

اىخ :

وصف خليت وحاس وصف خليت خارصيه

C

C Copper half cell: [ Cu2+

aq + 2e- Cuº(s) , E

o = + 0.34V ]

Zi Zinc half cell: [ Zn2+

aq + 2e- Znº(s) , E

o = - 0.76V ]

4

6. E What is meant by Ionic

equilibrium?

ب امصد ثبالرضا .6

األي ؟

7. E Explain by balanced chemical

equation the effect of strong heat

on Iron II sulphate.

ظخ ثؼبدخ وييبئيخ .7

سضيخ أثش ازغخي اشذيذ

IIخ وجشيزبد اذذيذ

8. E Mention one similarity between

Copper and zinc and one difference

between copper and chromium in

view of the electronic configuration

of elements ( 24Cr , 29Cu , 30Zn )

ظخ أدذ أج ازشبث ثي .8

اذبط اخبسصي أدذ

أج االخزالف ثي اذبط

اىش ف ظء ازصيغ

اإلىزش ؼبصش اىش

24Cr 29اذبطCu

30Zاخبسصي

5

Questions (9 – 11):

In

R Read the following sentence then answer:

“ "Citric acid is found in lemon by a ratio ranging

between 5% : 7 % , and it is one of the acids that

are used in food industry”

1 : ث أجت ادسط افمشح اآلريخ

"يجذ دط اغزشيه ف اي

، : % ثغجخ رزشاح ثي %

األدبض اغزخذخ ف صبػخ

.األغزيخ"

9. Why Citric acid is used in food

preservation?

برا يغزخذ دط .9

اغزشيه ف دفظ األغزيخ ؟

10. What is the basicity of citric

acid?

ب ػذد لبػذيخ دط 11

اغزشيه ؟

11. What is the type of the carbinol

group found in the chemical

structure of the citric acid?

ب ع جػخ اىبسثيي 11

ازشويت اجدح ف

؟اىييبئ ذط اغزشيه

6

12. Choose the proper answer that best

expresses the following balanced

reaction :

Ni(s) + 4CO (g) Ni (CO)4(g) ,

ΔH = - 603KJ

Increasing the concentration

of CO gas increases Kc

value of the reaction.

Rising the temperature

increases Kc value of the

reaction.

Decreasing the temperature

increases Kc value of the

reaction.

Decreasing the concentration of

Ni (CO)4 gas decreases Kc value

of the reaction.

معبرة ال

عه التفاعل المتزن التالى

Ni(s) + 4CO (g)

Ni (CO)4(g) ,

ΔH = -603KJ

CO

Kc

Kc

Kc

(CO) 4Ni

Kc

13. How can you differentiate

between the aqueous solution of

phenol and ethanol by using FeCl3

solution?

ض ثي ويف يىه ازيي .13

اذي ابئ ى

افيي اإليثبي ثبعزخذا

؟ FeCl3ذي

D

A

B

C

7

Questions (14 – 16):

In Study the graph below that represents the following

Reverse reaction:

2CO(g) + 2NO(g) 2CO2(g) + N2(g)

R

1416 ادسط اشى اجيب از

يؼجش ػ ازفبػ االؼىبع األري:

14. Calculate the value ΔH for the

forward reaction?

14. H

15. Is this reaction exothermic or

endothermic?

زا ازفبػ ؼبسد أ 15

؟بص ذشاسح

16. 1 Calculate the value of the

activation energy for that

reversed reaction.

ا 16

Reaction Reaction

Energy KJ/mol

8

17. What is the role of hot zinc powder

in its reaction with phenol vapor?

Write the equation of the reaction.

ب اذس از يم ث .17

غبخغذق اخبسصي ا

؟ػذ رفبػ غ ثخبس افيي

ؼبدخ ازفبػ. اوزت

18. What is meant by the “Sacrificial

electrode” ?

ثبمؽت "ب امصد .18

؟ "اعذ

19. “A discussion took place between

a surgeon and a civil engineer

about the importance of iron

element ”

Mention one use of iron in the

profession of each of them according

to what you have studied.

"داس داس ثي ؼجيت جشاح .19

اد دي ذط إشبء

.أيخ ػصش اذذيذ"ذذيذ ف اروش أيخ ادذح

اجبي ا ى ب

". "ف دذد ب دسعذ

9

20. Choose the proper answer that

expresses the following balanced

reaction shown in the diagram:

A + C B.

A + B 2C

A B + 2C

A 2B + C.

اؼجشح ػ ازفبػ ازض

في اشى اجي

A + C B

A + B 2C

A B + 2C

A 2B + C

21. Write the equation used to

calculate the solubility product

Ksp for aluminum carbonate salt

ذخ اغزخؼبدخ ااوزت .11

Kspذغبة دبص اإلراثخ

خ وشثبد األي.

22. Why does the concentrated nitric

acid cause passivity for iron?

برا يغجت دط ايزشيه .11

اشوض خب ظبشيب

ذذيذ ؟

A

B

C

D

Time

Concentration

10

23. Calculate the pH value for

sulfuric acid 0.2M.

ذي pHادغت ليخ .

دط وجشيزيه رشويض

0.2 M

Questions (24 – 27):

Study the following statement then answer the

questions:

“Ethyl Propanoate is a chemical compound

produced from the reaction of alcohol (X) with an

organic acid (Y)”

2427ث أجت ػ ادسط افمشح اآلريخ

:األعئخ

"يزج شوت ثشثباد اإليثي

غ اذط Xرفبػ اىذي

" Yاؼع

24. What are the necessary

conditions for the reaction to

be carried out successfully?

ب ششغ إجشاء زا ازفبػ .14

ثجبح ؟

25. Write the names of the alcohol

(X) and the acid (Y) that are

used in the reaction.

15.

XY

11

26. 1 Write the structural formula of

this ester.

16.

27. 1 Name an isomer of this ester

that contains a carboxylic

group.

17.

28. 1 What is the effect of passing a

current of hydrogen sulphide

gas in copper II sulphate

solution acidified by drops of

hydrochloric acid?

ب أثش إشاس غبص وجشيزيذ .18

ايذسچي ف ذي

IIوجشيزبد اذبط

اعبف إي لؽشاد

دط ايذسوسيه ؟

12

Questions (29 – 30):

The figure represents two

electrolytic cells whose

poles are made of graphite

the cells are connected in

series,

2930يؼجش اشى امبث ػ خيزي

رذييزي زصزي ؼب

ألؽبثب -ػ ازا

. اجشافيذ

29. Write the equation that represents

the reaction occurring at the

cathode in cell (1).

اوزت اؼبدخ اؼجشح ػ .19

ازفبػ اذبدس

. (١)ػذ اىبثد ف اخيخ

30. What happens to the ammeter

reading on adding drops of silver

nitrate solution to the electrolyte

in cell (2)? Explain your answer.

.

Cell (1) Cell (2)

13

31.

Compare between: لبس ثي: .31

Point of

comparison

Organic compounds

Inorganic compounds

The

chemical

structure

Solubility

32. Write down the chemical

equation that explains the role

of sodium hydroxide solution in

the manufacture of detergents?

اوزت اؼبدخ اىييبئيخ .31

از رؼجش ػ اذس از

يم ث ذي يذسوغيذ

اصدي ف صبػخ

.اظفبد اصبػيخ

14

33. Explain this statement:

“ Hydrolysis is an inverse

process for neutralization.

فغش ز اؼجبسح : .33

ػيخ ازيؤ ػىظ ػيخ

ازؼبدي.

Questions (34 – 36):

The opposite diagram represents

the structure of a fuel cell.

3436 خيخ رشويت امبث اشى يظخ

.الد

34. Label the parts marked by

letters in the figure.

A - ………………………………

B - ………………………………

C - ………………………………

اغجخاذشف ظغ أب .34

ثبشى ب يبعجب

. ثيببد

35. Write down the equation

represents the whole reaction

occurred in this cell.

35. -

Bulb

Anode Cathode

B

A

C

B

C

15

36. Calculate the mass of hydrogen

gas consumed in this cell to

produce an electric current of

intensity 0.6 A lasting for 120

min.

36.

0.6 A

120 min

37. Mention the two main reasons

for using lithium in lithium ion

battery.

اروش اغججي األعبعيي .37

ف رشويت العزخذا ايثي

ثؽبسيخ أي ايثي.

16

38. 12 ml. of 0.2 M solution that

contains Xm+

ions reacts

completely with 8 ml of 0.1 M

solution that contains Yn-

ions to

form a salt whose empirical

formula is XnYm . Find the value

of each of m & n

ذي ml 12يزفبػ .38

يذز ػ M 0.2رشويض

+Xmأيبد ب غ ml 8رب

M 0.1ذي رشويض

-Ynيذز ػ أيبد

زىي خ صيغز األيخ

XnYm .و خلي اجذ n، m .

39. What happens to the colour of

red bromine on adding 2 moles

of bromine dissolved in CCl4

solution to 1 mole of each of :

- Ethene?

- Aromatic benzene?

ب از يذذس اجش .

األدش ػذ إظبفخ

2 mol اجش ازاة ف

mol 1إ CCl4ذي

و : ؟اإليثي

؟اجضي اؼؽش

17

40. What is the composition of water

gas? Mention the name of the

process used to convert it into

liquid fuel.

اغبص ابئ ؟ ب يزى - .41

غ روش اع اؽشيمخ ازجؼخ ف

رذي إ لد عبئ.

41. Mention two different methods

used to test for ammonia gas

اروش ؼشيمزي خزفزي ىشف .41

ػ غبص اشبدس.

18

42. Describe the saturated solution

using the concept “ dynamic

equilibrium” in your description.

صف اذي اشجغ، .41

ب ف اصف غزخذ

صؽخ ارضا ديبيى.

43. Hydrogen gas reacts with iodine

vapor to form hydrogen iodide

gas according to the equation :

H2(g) + I2(v) 2HI(g)

How could you know that the

reaction has reached the

equilibrium state from the

colour of the gaseous mixture?

ي غ چيزفبػ غبص ايذس .

ثخبس ايد زىي غبص

ي، رجؼب چيديذ ايذس

ؼبدخ :H2(g) + I2(v) 2HI(g)

ويف رزؼشف ػ صي ازفبػ

اخيػ إ دبخ االرضا

اغبص ؟

19

44. Write the chemical equation

that explains the elimination of

a water molecule from two

molecules of ethanol.

اوزت اؼبدخ اىييبئيخ از .

رظخ ػيخ ضع جضء

بء جضيئي

اإليثبي.

45. Shade the circle next to the

chemical process that doesn’t

produce water as a resultant :

Aspirin formation

Ethanol oxidation

Poly propylene formation

Ethane burning

ظ اذائشح امبثخ ؼيخ

اىييبئيخ از ال يى أدذ

ارجب ابء :

46. Write down the equation of

sucrose aqueous hydrolysis.

ازذ - .46

ابئ غىشص.

A

B

C

D

20

47. The graph below records the height of

the precipitate formed (in a test

tube) on adding sodium hydroxide

solution to iron III chloride solution.

Illustrate on the same graph the

change that could happen on the

curve when exchanging iron III

chloride solution by aluminum

chloride solution, with explanation.

يظخ اشى اجيب امبث .47

في أجثخ اشاعت ازى اسرفبع

ذي ػذ إظبفخاخزجبس

إ ذي يذسوغيذ صدي

ظخ ػ فظ .IIIوسيذ دذيذ

ازغيش اذبدس ف اجيباشى

ػذ اعزجذاي ذي شى اذ

ثذي وسيذ IIIوسيذ اذذيذ

.أي، غ ازفغيش

48. Write the structural formula and the

IUPAC name for a secondary alcohol

and a tertiary alcohol which have the

same molecular structure C4H10O

اوزت اصيغخ اجبئيخ .48

رغيخ األيثبن ىذي

ب فظ ثب آخش ثبث

.C4H10O اصيغخ اجضيئيخ

Volume of NaOH Solution (mL)

Precipitation

height (mm)

21

49. Write the chemical equation that

represents the esterification

reaction between a dihydric alcohol

and a dibasic organic acid

اوزت ؼبدخ وييبئيخ رؼجش .49 ثي حػ رفبػ أعزش

وغي وذي ثبئ ايذس

دط ػع ثبئ

خ.امبػذي

50. Mention the name of the law

that indicates the equivalent

mass of chlorine gas evolving at

the anode of an electrolytic cell

on passing an amount of

electricity equals one faraday in

the electrolyte used in this cell.

اروش اع امب از يذي .

ػ رصبػذ وزخ ىبفئخ

جشايخ غبص اىس ػذ

أد خيخ رذييخ ػذ إشاس

ىشثبء مذاسب ويخ ا

فبسادا ادذ ف

يذ اغزخذ فيب.اإلىزش

،،،،،،مع أطيب التمنيات بالتوفيق

22

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